... astronomy research observations of the cosmos. The federal agencies use this...-2483.5 MHz 5.150 5.282 2450-2483.5 MHz FIXED MOBILE Radiolocation 5.150 US41 2483...-to-Earth) 5.398 5.150 US41 2483.5-2495 MHz MOBILE-SATELLITE (space... research via observations of the cosmos used to study the low... research via observations of the cosmos to study the low galactic... radio astronomy observations of the cosmos in this band to study...